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| Kermit Sketches: Miscellaneous | |||||
| First Appearance | Episode 2473 | ||||
| Broadcast | April 27, 1988 | ||||
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Elmo bumps into Kermit the Frog on the way to the post office, and begs to help him with one of his demonstrations, during which the post office closes - a perfect prompt to demonstrate open and closed.